blackjack

Definitions of blackjack
  1. noun
    a gambling game using cards; the object is to hold cards having a higher count than those dealt to the banker up to but not exceeding 21
    synonyms: twenty-one, vingt-et-un
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    type of:
    card game, cards
    a game played with playing cards
  2. noun
    a piece of metal covered by leather with a flexible handle; used for hitting people
    synonyms: cosh, sap
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    type of:
    bludgeon
    a club used as a weapon
  3. verb
    exert pressure on someone through threats
    synonyms: blackmail, pressure
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    type of:
    act upon, influence, work
    have and exert influence or effect
  4. noun
    a flag usually bearing a white skull and crossbones on a black background; indicates a pirate ship
    synonyms: Jolly Roger, black flag, pirate flag
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    type of:
    flag
    emblem usually consisting of a rectangular piece of cloth of distinctive design
  5. noun
    a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets
    synonyms: Quercus marilandica, blackjack oak, jack oak
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    type of:
    scrub oak
    any of various chiefly American small shrubby oaks often a dominant form on thin dry soils sometimes forming dense thickets
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